Add a GzipReader class

Author: rhpvorderman

src/zlib_ng/zlib_ng.pyi

@@ -5,6 +5,8 @@
 # This file is part of python-zlib-ng which is distributed under the
 # PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2.
 
+import typing
+
 MAX_WBITS: int
 DEFLATED: int
 DEF_MEM_LEVEL: int
@@ -77,3 +79,16 @@ class _ZlibDecompressor:
                  zdict=None): ...
 
     def decompress(self, __data, max_length=-1) -> bytes: ...
+
+class _GzipReader:
+    def __init__(self, fp: typing.BinaryIO, buffersize: int = 32 * 1024): ...
+    def readinto(self, obj) -> int: ...
+    def readable(self) -> bool: ...
+    def writable(self) -> bool: ...
+    def seekable(self) -> bool: ...
+    def tell(self) -> int: ...
+    def seek(self, offset: int, whence: int): ...
+    def close(self): ...
+    def readall(self) -> bytes: ...
+    def read(self, __size: int): ...
+    def flush(self): ...